*{
    background-color: white;
}
span{
    background-color: inherit;

}
#root{
    display: flex;
    width:1300px;
    height:300px;
    border:1px solid gray;
    margin:0 auto;
    padding:0;
    z-index:1;
}
.child_1_1{
    display:flex;
    border:1px solid gray;
    width:510px;
    height:260px;
    margin-left:20px;
    /*float:left;*/
    margin-top:10px;
    /*background-color: red;*/
    justify-content: space-between;
    z-index:1;
}
.child_1_2{
    display:flex;
    border:1px solid gray;
    width:560px;
    height:260px;
    margin-left:3px;
    /*float:left;*/
    margin-top:10px;
    justify-content: space-between;
    z-index:1;
}
.child_1_3{
    display:flex;
    border:1px solid gray;
    margin-left:3px;
    float:left;
    margin-top:10px;
    width:160px;
    height:260px;
    justify-content: space-between;
    z-index:1;
    /*float:left;*/
}
.child2,.child3,.child4{
    padding:10px;
    display:flex;
    justify-content: space-between;
    border:1px solid gray;
    margin:2px;
    /*width:140px;*/
}
.child2{
    z-index:20;
}

.child3{
    z-index:30;
}

.child4{
    z-index:40;
}